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						<h1 id="firstHeading" class="firstHeading" lang="en"><span dir="auto">Nona</span></h1>
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								<div id="siteSub">From PanoTools.org Wiki</div>
								
												
				<div id="mw-content-text" lang="en" dir="ltr" class="mw-content-ltr"><p><b>nona</b>
is a drop-in replacement for <a href="PTStitcher.html" title="PTStitcher">PTStitcher</a> and is part of <a href="Hugin.html" title="Hugin">Hugin</a>.
</p><p>Like PTStitcher and <a href="PTmender.html" title="PTmender">PTmender</a>, nona performs geometrical and photometric distortions on photos and writes the output to image files.  The parameters are specified in a .pto project file, i.e. nona doesn't decide what the distortions are going to be, it just does the <i>remapping</i> part of the stitching process. The format of the project file is documented here: <a href="PTStitcher.html#Example_Script" title="PTStitcher">PTStitcher Example_Script</a>, with an older version here: <a rel="nofollow" class="external free" href="http://hugin.sourceforge.net/docs/nona/nona.txt">http://hugin.sourceforge.net/docs/nona/nona.txt</a>.
</p>
<h2><span class="mw-headline" id="Advantages">Advantages</span></h2>
<ul>
<li> Unlike <a href="PTStitcher.html" title="PTStitcher">PTStitcher</a>, <b>nona</b> has full source-code availability, this means that it can be used on many more platforms such as OS X, Linux x86_64, linux powerpc, Solaris and IRIX.
</li>
<li> When set to use <a href="Cropped_TIFF.html" title="Cropped TIFF">cropped TIFF</a> output, <b>nona</b> doesn't perform expensive transformation calculations for unused areas of output images.  For panoramas consisting of many source photos this can speed things up greatly.
</li>
<li> <b>nona</b> implements <a href="Vignetting.html" title="Vignetting">vignetting</a>, white-balance, brightness and <a href="Camera_response_curve.html" title="Camera response curve">camera response curve</a> correction at the stitching stage.
</li>
<li> multi-threaded processing uses as many CPUs as are available.
</li>
<li> nona supports <a href="HDR.html" title="HDR">HDR</a> images for input and output.
</li>
<li> nona supports GPU stitching with graphics hardware
</li>
<li> nona can merge 8bit low dynamic range <a href="Bracketing.html" title="Bracketing">bracketed</a> shots into <b>HDR</b> output.
</li>
</ul>
<h2><span class="mw-headline" id="Disadvantages">Disadvantages</span></h2>
<p>(Note: this is the situation as of May 2007, please correct this page if you know this has changed)
</p>
<ul>
<li> Morph to fit<a class="external" href="http://wiki.panotools.org/index.php?title=Morph_to_fit&amp;action=edit&amp;redlink=1">[*]</a> control points are not supported.
</li>
<li> It doesn't yet support the <i>fast transformation</i> option added to <a href="Pano12.html" title="Pano12">pano12</a> by Fulvio Senore<a class="external" href="http://wiki.panotools.org/Fulvio_Senore">[*]</a>.
</li>
<li> It doesn't support the adaptive filtersize anti-<a href="Aliasing.html" title="Aliasing">aliasing</a> filters added to pano12-2.7.0.11
</li>
<li> It doesn't support C-type cropping<a class="external" href="http://wiki.panotools.org/Panotools_internals#Cropping">[*]</a> and hence is not compatible with other GUI front-ends<a class="external" href="http://wiki.panotools.org/GUI_front-ends">[*]</a> than <a href="Hugin.html" title="Hugin">hugin</a> if used for images that need cropping (like circular fisheye or scanned ones).
</li>
</ul>




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